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Kulturkompetens

Regular column on theatre in the weekly newspaper Arbetaren (The Worker).

$\eta$ and $\eta'$ Physics

This talk describes the reasons why $\eta$ and $\eta^\prime$ decays are an interesting topic of study for both theory and experiment. The main part discusses the results of the recent calculation of $\eta\to3\pi$ at two-loop order in ChPT. Some puzzling aspects of the results compared to earlier dispersive calculations are highlighted. I also like to remind the reader of the use of $\eta$ and $\et

Kinematically-equivalent but geomechanically-different simulations of fault evolution: the role of loading configurations

Geomechanical simulations are used to demonstrate the importance of the way that models are loaded. In this paper the development of permanent damage during faulting using frictional-slip models of a reverse fault is investigated. Although the use of different loads and constraints can produce the same faulted geometry (for the same rock type, and at the same burial depth), the models develop very

Within-host speciation of malaria parasites

Background Sympatric speciation—the divergence of populations into new species in absence of geographic barriers to hybridization—is the most debated mode of diversification of life forms. Parasitic organisms are prominent models for sympatric speciation, because they may colonise new hosts within the same geographic area and diverge through host specialization. However, it has been argued that th

Tankens frihet och biologins gränser

När vi talar om framsteg, tänker vi inte bara på teknik och ökad kunskap. Vi tror att kunskapen automatiskt leder till en bättre framtid. Och visst har tankens frihet givit oss makt. Men vi är inte så fria som vi tror.